Roberts Gorden UHA[X][S] 100, UHA[X][S] 45, UHA[X][S] 30, UHA[X][S] 125, UHA[X][S] 60 High Altitude

SECTION 4: NATIONAL STANDARDS AND APPLICABLE CODES

4.6 High Altitude

These heaters are CSA-approved (without modifications) for installations up to 2000' (610

m)in US and Canada. CSA approved heaters installed above 2000' (610 m) must be de- rated. For installations above 2000' (610 m) in US, consult factory for information on burner de-rating. For installations from 2000' (610 m) to 4500' (1370m) in Canada, high altitude conversion kits are available. Heaters installed over 4500' (1370 m) in Canada are not CSA- approved and must be approved by the local or provincial authority.

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